Codeminer42's Engineering Blog

Ruby

Destroying an Association Marked as Read-Only in Rails
December 17, 2018 · 5 min read · by Adriano Costa
Read-only is a boolean setting. When true, it prevents an Active Record instance to be updated or destroyed. Although very helpful, there are a few cases where you want to…
Migrating from Paperclip to ActiveStorage
November 7, 2018 · 8 min read · by Leonardo Negreiros
First of all, I’m no expert in programming. In fact, I started with Ruby on Rails about one and a half month ago with the beginning of my internship at…
Functional Object Composition and MVC
May 1, 2017 · 9 min read · by Thiago Araújo Silva
I just read a great blog post on the internet about MVC not being object-oriented, and I could not agree more — after all, we don’t peel an apple the…
Crystal by Numbers
April 28, 2017 · 5 min read · by Dmitry Rocha
TL;DR Kemal delivers 8.3x more requests than Rails and 1.5x than Sinatra, using only 15MiB (against 110MiB in Rails and 47MiB in Sinatra) and 56% of CPU (against 109% in…
Zero to Up and Running a Rails Project only using Docker
March 27, 2017 · 4 min read · by Dmitry Rocha
Disclaimer: this post is based on Quickstart: Compose and Rails — Docker the main difference is that I will run everything with my own user and cache the gems installations.…